Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Unity Lagging Leading Zero Unity Lagging Leading ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Achieve synchronism Reduce windage loss None of the listed here Prevenent hunting Achieve synchronism Reduce windage loss None of the listed here Prevenent hunting ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. Both DC and AC None of the listed here AC DC Both DC and AC None of the listed here AC DC ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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